For Aquinas, everything is regulated by eternal law or God’s creation order (I-II, Q.91, a.3), so it is no surprise that he understands natural law as participation of the eternal law, where natural law is of a general and teleological character (See I-II, Q.91, a.2). In Aquinas’s vision, natural law is linked with divine reason rather than with the will of God, as theologians such as Calvin would suggest. This opens the door for considering Aquinas’s notion of natural law to be expansive in the sense that natural law is associated with human’s capacity to reason and producing reflection. When …
